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QL code and tests for C#/C++/JavaScript.
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10 changes: 10 additions & 0 deletions .gitignore
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# editor and OS artifacts
*~
.DS_STORE

# query compilation caches
.cache

# qltest projects and artifacts
*/ql/test/**/*.testproj
*/ql/test/**/*.actual
46 changes: 46 additions & 0 deletions CONTRIBUTING.md
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# Contributing to QL

We welcome contributions to our standard library and standard checks, got an idea for a new check, or how to improve an existing query? Then please go ahead an open a Pull Request!

Before we accept your pull request, we will require that you have agreed to our Contributor License Agreement, this is not something that you need to do before you submit your pull request, but until you've done so, we will be unable to accept your contribution.

## Using your personal data

If you contribute to this project, we will record your name and email
address (as provided by you with your contributions) as part of the code
repositories, which might be made public. We might also use this information
to contact you in relation to your contributions, as well as in the
normal course of software development. We also store records of your
CLA agreements. Under GDPR legislation, we do this
on the basis of our legitimate interest in creating the QL product.

Please do get in touch ([email protected]) if you have any questions about
this or our data protection policies.

## Contributor License Agreement

This Contributor License Agreement (“Agreement”) is entered into between Semmle Limited (“Semmle,” “we” or “us” etc.), and You (as defined and further identified below).

Accordingly, You hereby agree to the following terms for Your present and future Contributions submitted to Semmle:

1. **Definitions**.

* "You" (or "Your") shall mean the Contribution copyright owner (whether an individual or organization) or legal entity authorized by the copyright owner that is making this Agreement with Semmle. For legal entities, the entity making a Contribution and all other entities that control, are controlled by, or are under common control with that entity are considered to be a single Contributor. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.

* "Contribution(s)" shall mean the code, documentation or other original works of authorship, including any modifications or additions to an existing work, submitted by You to Semmle for inclusion in, or documentation of, any of the products or projects owned or managed by Semmle (the "Work(s)"). For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to Semmle or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, Semmle for the purpose of discussing and/or improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by You as "Not a Contribution."

2. **Grant of Copyright License**. You hereby grant to Semmle and to recipients of software distributed by Semmle a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Your Contributions and such derivative works.

3. **Grant of Patent License**. You hereby grant to Semmle and to recipients of software distributed by Semmle a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by You that are necessarily infringed by Your Contribution(s) alone or by combination of Your Contribution(s) with the Work to which such Contribution(s) was submitted. If any entity institutes patent litigation against You or any other entity (including a cross-claim or counterclaim in a lawsuit) alleging that Your Contribution, or the Work to which You have contributed, constitutes direct or contributory patent infringement, then any patent licenses granted to that entity under this Agreement for that Contribution or Work shall terminate as of the date such litigation is filed.

4. **Ownership**. Except as set out above, You keep all right, title, and interest in Your Contribution. The rights that You grant to us under this Agreement are effective on the date You first submitted a Contribution to us, even if Your submission took place before the date You entered this Agreement.

5. **Representations**. You represent and warrant that: (i) the Contributions are an original work and that You can legally grant the rights set out in this Agreement; (ii) the Contributions and Semmle’s exercise of any license rights granted hereunder, does not and will not, infringe the rights of any third party; (iii) You are not aware of any pending or threatened claims, suits, actions, or charges pertaining to the Contributions, including without limitation any claims or allegations that any or all of the Contributions infringes, violates, or misappropriate the intellectual property rights of any third party (You further agree that You will notify Semmle immediately if You become aware of any such actual or potential claims, suits, actions, allegations or charges).

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9. **General**. The failure of either party to enforce its rights under this Agreement for any period shall not be construed as a waiver of such rights. No changes or modifications or waivers to this Agreement will be effective unless in writing and signed by both parties. In the event that any provision of this Agreement shall be determined to be illegal or unenforceable, that provision will be limited or eliminated to the minimum extent necessary so that this Agreement shall otherwise remain in full force and effect and enforceable. This Agreement shall be governed by and construed in accordance with the laws of the State of California in the United States without regard to the conflicts of laws provisions thereof. In any action or proceeding to enforce rights under this Agreement, the prevailing party will be entitled to recover costs and attorneys’ fees.
13 changes: 13 additions & 0 deletions COPYRIGHT
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Copyright (c) Semmle Inc and other contributors. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
176 changes: 176 additions & 0 deletions LICENSE
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/

TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION

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15 changes: 15 additions & 0 deletions README.md
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# Semmle QL

This open source repository contains the standard QL libraries and queries that power [LGTM](https://lgtm.com), and the other products that [Semmle](https://semmle.com) makes available to its customers worldwide.

## How do I learn QL and run queries?

LGTM has [extensive documentation](https://lgtm.com/help/ql/introduction-to-ql) on getting started writing QL, and also has an [interactive query console](https://lgtm.com/help/lgtm/using-query-console) that allows you to try out your queries on any open-source project that's currently being analysed.

## Contributing

We welcome contributions to our standard library and standard checks, got an idea for a new check, or how to improve an existing query? Then please go ahead an open a Pull Request! Before you do though, please take the time to read our [contributing guidelines](CONTRIBUTING.md).

## License

The lgtm queries are licensed under [Apache License 2.0](LICENSE) by [Semmle](https://semmle.com).
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